The Spring,helical,torsion, cataloged under National Stock Number 5360-00-515-5523, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-515-5523 |
| Primary Part Number | 53G970783-4 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Second Bend Radius | 0.120 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Outside Diameter | 0.354 INCHES NOMINAL IN |
| End Style | CURVED END BOTH ENDS |
| End Length | 1.140 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.560 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN |
| First Bend Radius | 0.690 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.236 INCHES NOMINAL IN |
| Stock Diameter | 0.059 INCHES NOMINAL IN |
| Coil Quantity | 8-13/32 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 53G970783-4 | The Precision Coil Spring Company Dba Precision Coil Spring Co (USA) |
| 53G970783-4 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5360-00-515-5523 is a Spring,helical,torsion, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-515-5523 has 2 manufacturer part numbers on file: 53G970783-4 (The Precision Coil Spring Company Dba Precision Coil Spring Co), 53G970783-4 (The Boeing Company Div Defense).
Key specifications for 53G970783-4: Second Bend Radius: 0.120 INCHES NOMINAL BOTH ENDS IN; Spring Free Outside Diameter: 0.354 INCHES NOMINAL IN; End Style: CURVED END BOTH ENDS; End Length: 1.140 INCHES NOMINAL BOTH ENDS IN. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.